First on the list, you must determine if you're a fish person. Most fish do not provide much direct contact, though I once had a goldfish that would allow some petting. However, if you are looking for something to cuddle with, to scratch behind the ears or to fetch the morning paper, fish are not your best bet. Fish fall under the category of "relaxing to watch," but also under the category of "high maintenance." They require daily feedings (usually two), constant monitoring of their tank conditions along with routine tank cleanings, and frequent water changes (a portion every couple of days). If you are squeamish about getting wet, with dirty fish water no less, you might consider a different pet.

Once you have decided that you are suited to care for fish properly, take a good look at your surroundings. Do you have the right environment and adequate space to hold a twenty gallon fish tank, which is usually the recommended size for beginners? Keep in mind that a twenty gallon fish tank weighs roughly 225 pounds and putting it on the floor is not advisable. This means purchasing a stand for the tank or putting it on a very sturdy piece of furniture that can withstand not only the weight but the occasional dousing of water. The location of the tank is also critical. Most experts suggest that a fish tank be placed in an area away from windows and free from drafts so that the water temperature is easier to regulate (not as big of a concern for a cool water aquarium). You also want to make sure the location is near an electrical outlet so that you can plug in the heater, air pump, light, etc.

If you have an appropriate location for a fish tank, then you can move on to the next step of pricing supplies. For the smaller tanks (20-29 gallon), it is usually less expensive to buy them at a local pet store, as shipping costs can be as much as the tank itself, depending on the type you buy. Shopping online offers another option, though you will need to plan ahead to allow for shipping. Do some comparison shopping, including the inclusive packages that come with everything you need. While some of the package deals offer a great savings, some are filled with low end equipment or items you do not need. Your necessities include: a tank (remember that advice for beginners typically suggests a twenty gallon tank), a cover or hood for your tank (with or without a light) some type of filtration system, a heater (unless you decide to have a cool water aquarium), a net and food. Other things you will want to consider: gravel or substrate for the bottom of the tank (required if you decide on an under gravel filter), an air pump (some filtration systems include air pumps), a thermometer, plants and tank decorations and possibly a few chemicals. Many of these other things will depend on the type of fish you plan on keeping in your aquarium.

Speaking of the fish, what type do you want? It is helpful to have an idea of the type of fish you want, before you actually purchase any of your supplies so that you don't buy unnecessary items. One of the best ways to pick the type of fish is to take a trip to your local pet store and see what they carry. They typically keep a variety of fish in stock that will do well in your area (some fish are sensitive to additives in water in certain areas). Also, talk to the people who work with the fish. They are a great resource for helping you choose fish because they know which types of fish are hardy and which ones are compatible with others. Many people suggest starting with a cool water aquarium, but I've always preferred tropical fish that belong in a warm water aquarium. If you do your homework, tropical fish are nearly as easy to keep. I would not, however, suggest that you jump right into salt-water fish. While they are beautiful and brilliantly colored, they do require quite a bit more work and are more expensive.

Now that you have completed all the steps and, hopefully, conducted a little research of your own, you should be up for the challenge of fish ownership without encountering too many surprises. While fish can be expensive and do require quite a bit of maintenance, they can also provide you with lasting enjoyment and, some say, can even help you relax. Happy fishing!